Mike Riordan vs. Zion Williamson Comparison

Head-to-head comparison between the NBA stars Zion Williamson and Mike Riordan that includes championships won, honors and awards obtained, regular season and playoffs stats and other data put side by side.

Who scored more points in his career? Who averaged more points in playoffs? Who won more championships? Who led the season more times? Who won more MVP awards? These questions and many more, are answered here. It includes NBA Championships, seasons, playoffs, awards, statistical data for points, rebounds, assists, steals, blocks and percentages.

Head-To-Head Career Comparison

NBA Timeline:	1946-47 2025-26
Mike Riordan: 1968-69 to 1976-77
Zion Williamson: 2019-20 to 2024-25

NBA Championships and Seasons

NBA Championships Mike Riordan 1 Zion Williamson 0

NBA Seasons Mike Riordan 9 Zion Williamson 5

Playoffs Played Mike Riordan 9 Zion Williamson 0

All-Star Games Mike Riordan 0 Zion Williamson 2

Honors and Awards

All-Defensive Teams (Total Selections) Mike Riordan 1 Zion Williamson 0

NBA Regular Season Stats

Stats Per Game

Points Per Game Mike Riordan 9.9 Zion Williamson 24.7

Rebounds Per Game Mike Riordan 2.9 Zion Williamson 6.6

Assists Per Game Mike Riordan 2.4 Zion Williamson 4.3

Steals Per Game Mike Riordan 0.8 * Zion Williamson 1.0

Blocks Per Game Mike Riordan 0.1 * Zion Williamson 0.6

Totals Stats

Total Points Mike Riordan 6,334 Zion Williamson 5,279

Total Rebounds Mike Riordan 1,830 Zion Williamson 1,415

Total Assists Mike Riordan 1,524 Zion Williamson 920

Total Steals Mike Riordan 231 * Zion Williamson 219

Total Blocks Mike Riordan 35 * Zion Williamson 138

Total Games Mike Riordan 639 Zion Williamson 214

Percentages

Field Goal Percentage Mike Riordan .470 Zion Williamson .589

3-Point Percentage Mike Riordan - n/a ** Zion Williamson .327

Free Throw Percentage Mike Riordan .744 Zion Williamson .689

Best Season (no game minimum)

Points Per Game Mike Riordan 18.1 (1973) Zion Williamson 27.0 (2021)

Rebounds Per Game Mike Riordan 4.9 (1973) Zion Williamson 7.2 (2021)

Assists Per Game Mike Riordan 5.2 (1973) Zion Williamson 5.3 (2025)

Steals Per Game Mike Riordan 1.3 (1974) * Zion Williamson 1.2 (2025)

Blocks Per Game Mike Riordan 0.2 (1974) * Zion Williamson 0.9 (2025)

NBA Playoffs Stats

Stats Per Game

Points Per Game Mike Riordan 7.3 Zion Williamson -

Rebounds Per Game Mike Riordan 2.4 Zion Williamson -

Assists Per Game Mike Riordan 1.3 Zion Williamson -

Steals Per Game Mike Riordan 0.6 * Zion Williamson -

Blocks Per Game Mike Riordan 0.1 * Zion Williamson -

Totals Stats

Total Points Mike Riordan 613 Zion Williamson -

Total Rebounds Mike Riordan 199 Zion Williamson -

Total Assists Mike Riordan 111 Zion Williamson -

Total Steals Mike Riordan 20 * Zion Williamson -

Total Blocks Mike Riordan 4 * Zion Williamson -

Total Games Mike Riordan 84 Zion Williamson 0

Percentages

Field Goal Percentage Mike Riordan .446 Zion Williamson -

3-Point Percentage Mike Riordan - n/a ** Zion Williamson -

Free Throw Percentage Mike Riordan .775 Zion Williamson -

Best Playoffs (no game minimum)

Points Per Game Mike Riordan 15.0 (1973) Zion Williamson -

Rebounds Per Game Mike Riordan 3.6 (1973) Zion Williamson -

Assists Per Game Mike Riordan 3.0 (1973) Zion Williamson -

Steals Per Game Mike Riordan 0.9 (1975) * Zion Williamson -

Blocks Per Game Mike Riordan 0.3 (1974) * Zion Williamson -

Notes: * Blocks and steals started to be recorded in 1973-74. Some years in this player's career don't have stats. ** Three-point shots were implemented in 1979-80, this player has no data for the stat.